TODOs

List of missing features

For more details refer to the document m55099.

4CCs not in bold are widely implemented.

Feature		4CC’s
Compressed boxes		‘otyp’, ‘!mof’, ‘!mov’, ‘!six’, ‘!ssx’
Codec independent visual metadata		‘mdcv’, ‘cclv’, ‘clli’, ‘pasp’, ‘clap’, ‘nclx’, ‘prof’, ‘rICC’
Subtitle tracks		‘subt’, ‘sthd’, ‘stpp’, ‘sbtt’
Timed text support		‘txtC’, ‘stxt’
Track selection for alternative tracks		‘tsel’, ‘tesc’, ‘fgsc’, ‘cgsc’, ‘spsc’, ‘resc’, ‘vwsc’, ‘cdec’, ‘scsz’, ‘mpsz’, ‘mtyp’, ‘mela’, ‘frar’, ‘nvws’
File delivery format support		‘fiin’, ‘paen’, ‘fpar’, ‘fecr’, ‘segr’, ‘gitn’, ‘fire’, ‘fdel’
Sub-tracks		‘strk’, ‘stri’, ‘tesc’, ‘fgsc’, ‘cgsc’, ‘spsc’, ‘resc’, ‘vwsc’, ‘frar’, ‘nvws’, ‘strd’, ‘stsg’
Multiplexed timed metadata		‘mebx’, ‘keys’, ‘stuf’, ‘keyd’, ‘loca’, ‘setu’, ‘uiso’, ‘me4c’
FD hint tracks		‘fdp ‘, ‘fdsa’, ‘fdpa’, ‘extr’, ‘feci’
RTP & SRTP hint tracks		‘hinf’, ‘rtp ‘, ‘tims’, ‘tsro’, ‘snro’, ‘srtp’, ‘srpp’, ‘rtpo’, ‘hnti’, ‘sdp ‘, ‘trpy’, ‘nump’, ‘tpyl’, ‘totl’, ‘npck’, ‘tpay’, ‘maxr’, ‘dmed’, ‘dimm’, ‘drep’, ‘tmin’, ‘tmax’, ‘pmax’, ‘dmax’, ‘payt’
MPEG-2 hint tracks		‘rm2t’, ‘sm2t’, ‘tPAT’, ‘tPMT’, 'tOD ', ‘tsti’, ‘istm’, ‘pm2t’
RTP, RTCP, SRTP and SRTCP reception hint tracks		‘rrtp’, ‘rtp ‘, ‘tssy’, ‘rssr’, ‘rtpx’, ‘rcsr’, ‘rtcp’, ‘rsrp’, ‘rrtp’, ‘ccid’, ‘sroc’, ‘stcp’, ‘prtp’
Incomplete tracks		‘icpv’, ‘icpa’, ‘icpt’, ‘icps’, ‘icph’, ‘icpm’, ‘cinf’
Track references		‘font’, ‘hind’, ‘vdep’, ‘vplx’, ‘subt’, ‘thmb’, ‘auxl’, ‘adda’
Entity groups		‘grpl’, ‘altr’
Data references		‘imdt’, ‘imda’, ‘snim’
Random access recovery		‘roll’, ‘prol’
Movie fragments	Fragment random access signaling	‘mfra’, ‘trfa’, ‘mfro’
	Level assignment	‘leva’
	Alternative startup sequence	‘assp’
Auxiliary video tracks		‘auxv’, ‘auvd’
Extended type box		‘etyp’, ‘tyco’
Metadata media		‘uriI’, ‘urim’
Sample groups	Temporal level	‘tele’
	Rate share	‘rash’
	Sample to item	‘stmi’
	Dependent RAPs	‘drap’
Stream access points		‘sap ‘
Progressive download information		‘pdin’
Font media carriage		‘fdsm’
Scrambled signal support		‘scrb’